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author | Pádraig Brady <P@draigBrady.com> | 2017-01-25 11:09:03 +0000 |
---|---|---|
committer | Pádraig Brady <P@draigBrady.com> | 2017-01-25 18:24:29 +0000 |
commit | 7a9c524f15c73d66876854e4049c9d4032e22271 (patch) | |
tree | a74f56ea4172155fdd6162871b5d60cfd98c5b80 | |
parent | c974f835a52706c05444fcdd229f4fc670c76f47 (diff) | |
download | coreutils-7a9c524f15c73d66876854e4049c9d4032e22271.tar.xz |
build: fix issue with HAVE_FALLOCATE on centos5
* src/copy.c (punch_hole): Work around an empty definition
of HAVE_FALLOCATE which leads to a build error of:
"error: #if with no expression"
That was triggered by the inclusion of <linux/fs.h> in
commit v8.25-68-g89e1fef with kernel-headers-2.6.18.
Reported by Nelson H. F. Beebe
-rw-r--r-- | src/copy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/copy.c b/src/copy.c index c3d71cbc8..e3832c23a 100644 --- a/src/copy.c +++ b/src/copy.c @@ -75,6 +75,7 @@ # include <linux/falloc.h> #endif +/* See HAVE_FALLOCATE workaround when including this file. */ #ifdef HAVE_LINUX_FS_H # include <linux/fs.h> #endif @@ -166,7 +167,8 @@ static int punch_hole (int fd, off_t offset, off_t length) { int ret = 0; -#if HAVE_FALLOCATE +/* +0 is to work around older <linux/fs.h> defining HAVE_FALLOCATE to empty. */ +#if HAVE_FALLOCATE + 0 # if defined FALLOC_FL_PUNCH_HOLE && defined FALLOC_FL_KEEP_SIZE ret = fallocate (fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, offset, length); |